Section 146(1) in The Indian Post Office Rules, 1933
(1)The amount for which single foreign rupee money order may be issued or the total amount for which a single remitter may obtain such money orders in one day, shall not exceed Rs. 1,000. or such smaller sum as may in the case of remittances to any particular country or countries be specially notified by the Director General. [Sentence in draft may be put up here.] In the event of foreign rupee money orders exceeding the prescribed limit in the aggregate being accepted by any post office or offices in India, from a single remitter in one day only such money order or money orders as do not exceed that limit shall be advised to destination and the value of the remaining money order or money orders shall be repaid to the remitter, who shall not, however be granted a refund of the commission paid by him in respect of such money orders. No foreign rupee money order shall include any fraction of a paisa.